Grass Pollen Count in Jouy-en-Josas, France — Today

Pollen by type in Jouy-en-Josas

• Jouy-en-Josas tree pollen count
• Jouy-en-Josas ragweed pollen count
• Jouy-en-Josas pollen count

What is the grass pollen count in Jouy-en-Josas today?

The Jouy-en-Josas grass pollen index today is 0.6 (Low) on Pollen Atlas’s modelled 0–100 scale. Low

Modelled pollen risk index — not a measured count.

Jouy-en-Josas’s overall pollen count today is 35 (Low) across all types. See the full Jouy-en-Josas pollen count for the overall index and every type together.

Jouy-en-Josas is in Yvelines, Île-de-France, France. Its population is 8,383 (GeoNames).

Jouy-en-Josas Grass Pollen Count: 5-Day Forecast

Pollen Atlas models the daily detail as an overall index: day-by-day splits by individual pollen type are not part of the modelled data, so this table shows Jouy-en-Josas’s overall trend across the week. Today’s grass pollen reading is the headline above.

Species driving Jouy-en-Josas’s grass pollen

The modelled data reports grass as one combined index — there is no species-by-species split for grass anywhere in the data, so this page does not invent one. Today’s modelled grass index for Jouy-en-Josas is 0.6 (Low), and the 5-day overall trend above shows the shape of the week.

As regional context only — not as today’s readings — in the Continental West pattern, the plants that typically shape this city’s year are early hazel and alder, a birch-led spring, late-spring grasses, and late-summer mugwort and ragweed.

Plants affecting Jouy-en-Josas now — grass pollen

Detailed plant-by-plant readings for the grass pollen category were not returned in today’s source data for Jouy-en-Josas. The type summary stands: grass pollen reads 0.6 (Low) today.

In the Continental West pattern, the plants that typically shape this city’s year are early hazel and alder, a birch-led spring, late-spring grasses, and late-summer mugwort and ragweed — named here as regional context only, not as today’s readings.

Plant detail returns here automatically on any day the feed includes it.

What this grass pollen level means

Low risk. Keep windows open; consider allergy meds only if sensitive.

Enjoy outdoor activities.

Grasses hold from May through July, cresting in late May and June. This month sits outside the usual grass pollen window for the Continental West pattern, so today’s grass pollen reading is the modelled value outranking the calendar — this page reports the modelled reading first. No France allergy season guide is published yet, so the seasonal context here follows the Continental West regional pattern.

Jouy-en-Josas allergies today

Jouy-en-Josas allergies today are set by the same reading as the Jouy-en-Josas pollen count today: the Total Pollen Index is 35 (Low), and the grass pollen index on this page is 0.6 (Low) of it. When people ask about Jouy-en-Josas allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Jouy-en-Josas.

Allergies in Jouy-en-Josas follow the France calendar set out on the full Jouy-en-Josas page — the chapters, the plants behind them, and the 5-day forecast show whether today is typical for the season or an exception to it. If you are checking allergies today in Jouy-en-Josas before heading outdoors, the grass pollen split on this page is the part to read: it shows whether this pollen type is doing the work today, not just how high the total sits.

Read the five-day overall trend above as the Jouy-en-Josas allergy forecast for the grass pollen season: it shows whether Jouy-en-Josas allergies are set to ease or build across the week, day by day — the days to plan outdoor time around are the ones where the overall index steps down, not just today.